Pietrosul (disambiguation)

Pietrosul may refer to the following rivers in Romania:


 * Pietrosul, a tributary of the Mureș in Harghita County
 * Pietrosul, a tributary of the Siret in Iași County
 * Pietrosul, a tributary of the Sulța in Bacău County
 * Pietrosul, a tributary of the Tazlăul Sărat in Bacău County